Headrest and Work Vehicle

Abstract

A headrest includes a cushion section configured to contact the back of a user's head, wherein the cushion section includes a hollow portion formed therein, and the cushion section includes a bulging portion bulging toward the back of the user's head at a central portion of an opposing surface of the cushion section, the opposing surface facing the back of the user's head.

1 . A headrest comprising:
 a cushion section configured to contact the back of a user's head,   wherein the cushion section comprises a hollow portion formed therein, and   wherein the cushion section comprises a bulging portion bulging toward the back of the user's head at a central portion of an opposing surface of the cushion section, the opposing surface facing the back of the user's head.   
     
     
         2 . The headrest according to  claim 1 , wherein:
 the opposing surface comprises at least one recessed portion, and   the recessed portion is recessed in a direction away from the back of the user's head and is adjacent to the bulging portion.   
     
     
         3 . The headrest according to  claim 2 , further comprising:
 a support member contacting a rear surface of the cushion section and configured to support the cushion section, the rear surface located opposite to the opposing surface; and   a fixing member extending through the cushion section and configured to fix the cushion section to the support member, and   wherein the fixing member is attached to the recessed portion.   
     
     
         4 . The headrest according to  claim 3 , wherein:
 the rear surface comprises a protruding portion protruding in a direction away from the back of the user's head,   the protruding portion comprises a hole communicating with the hollow portion, and   the support member contacts the protruding portion in such a manner as to block the hole.   
     
     
         5 . A work vehicle comprising:
 the headrest according to  claim 1 .